Pith Number

pith:BAZ6VAYP

pith:2025:BAZ6VAYPC2EX5NB2UTXZXTJGPC

not attested not anchored not stored refs pending

No evidence ageing or declining populations compromise socio-economic performance of countries

Corey J. A. Bradshaw, Shana M. McDermott

arxiv:2508.16872 v1 · 2025-08-23 · econ.GN · q-fin.EC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BAZ6VAYPC2EX5NB2UTXZXTJGPC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:58:05.628133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0833ea830f16897eb43aa4ef9bcd2678a4d8cf093114825a69c1b9d64707ad2d

Aliases

arxiv: 2508.16872 · arxiv_version: 2508.16872v1 · doi: 10.48550/arxiv.2508.16872 · pith_short_12: BAZ6VAYPC2EX · pith_short_16: BAZ6VAYPC2EX5NB2 · pith_short_8: BAZ6VAYP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BAZ6VAYPC2EX5NB2UTXZXTJGPC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0833ea830f16897eb43aa4ef9bcd2678a4d8cf093114825a69c1b9d64707ad2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6717253c29fcf27656c438c6a5556073337bd8c6778a6ff53daf96c8c6a4d1",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2025-08-23T02:05:35Z",
    "title_canon_sha256": "e9cfe7e7bb0bf36b63df6b3528ddd2e661d7460bf4397ca81215bae7f07cae11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.16872",
    "kind": "arxiv",
    "version": 1
  }
}